Fairchild launched its most advanced digitally programmable buck-boost regulator for the power supplies used in smartphones, tablets and other battery-powered mobile devices. The FAN49103 regulator joins the rest of the popular FAN49100 family in meeting the critical requirements of these power supplies by combining the highest power density, the smallest solution size, the tightest transient […]
Converters
How to select input capacitors for a buck converter
by Maniing Xie, System Application Engineer, Power Design Systems, Texas Instruments Electromagnetic interference (EMI) can create serious issues for manufacturers in an industrial environment. A buck converter generates a pulsating ripple current with high di/dt at the input. Without input capacitors, ripple current is supplied by the upper power source. Printed circuit board (PCB) resistance […]
Isolated flyback-type dc/dc converter control ICs for high-power inverters
ROHM has recently announced the availability of isolated flyback-type DC/DC converter control ICs for inverters in high power industrial equipment such as FA/solar inverters and power storage systems. Isolation is almost always built into electronic equipment to provide protection against shock and damage. High voltage, high power industrial applications (including power storage systems and solar […]
Top power electronics threads on EDAboard.com – July
(editor’s note: Intrigued by these power electronics problems? Have a question or optional solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the forum thread.) 12 V DC to 115 V AC sine wave inverter – I am making a 12 V DC to […]
MORNSUN 90~528VAC Wide Input voltage AC/DC Converter
MORNSUN releases new 3W three-phase four-wire AC/DC converter LS03-16BxxSS and LD03-16Bxx series which meetUL60950/EN60950/FCC part 15 standards. The series offer 90~528VAC wide input range and meet the requirements of 3×220VAC/380VAC nominal voltage and any two-wire connection from three-phase four-wire system. They also provide high efficiency up to 76%, 4000VAC isolation and output short-circuit and over-current […]
High-voltage converter brings high efficiency to fly-back, buck, and buck-boost topologies
STMicroelectronics has introduced a high-voltage power converter that allows designers to build an ultra-low-consumption, simple, and cost-effective SMPS (Switched-Mode Power Supply) with a 5V output voltage. Particularly suited for low-power applications in home appliances, building, lighting, and motion control, as well as small industrial and consumer applications, the VIPER01 operates directly from a rectified mains […]
Top power electronics threads on EDABoard.com – June
(editor’s note: Intrigued by the problem? Have a question or optional solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the forum thread.) Resistor mounting conditions for full power rating at 70degC ambient? – For the PF2512FKF7W0R007L (7mΩ) 2512 SMT resistor, what is […]
Tiny DIP-16 Package holds
8-W Encapsulated DC-DC Converter
MINMAX is proud to announce the new MDW08 series of 8W Isolated/Regulated DC-DC Converters in the smallest 16 pin DIP package measuring only 0.94 by 0.54 by 0.31 in. where space is critical. The MDW08 family of high-density DC-DC converters consists of 21 models offering 9-18/18-36/36-75 VDC Input Ranges with single and dual output models ranging 3.3 […]
Energy-dense DC-DC converters output 12, 15 and 28 V
Vicor released four additional DC-DC converters that are deployed in the rugged, chassis-mountable versions of its DCM family of isolated, regulated DC-DC converters. These new products extend the family by adding two 270 V nominal products (two 500 W devices with 12 V and 28 V outputs) and two 28 V nominal products (a 180 […]
24-kW DC Electronic Loads can generate complex,
multi-channel transient profiles
Chroma has just released the 63224 A 24 kW DC Electronic Load from its new 63200 A series of high power DC loads. Designed for testing a wide range of power conversion products such as AC/DC and server power supplies, DC/DC converters, EV batteries, automotive charging stations and other power electronics components, these loads can be […]
